<?php


	error_reporting(E_ALL);

    /*** access Joomla's configuration file ***/


    $my_path = dirname(__FILE__);

      if( file_exists($my_path."/../../../../configuration.php")) {
          $absolute_path = dirname( $my_path."/../../../../configuration.php" );
          require_once($my_path."/../../../../configuration.php");
      }
      elseif( file_exists($my_path."/../../configuration.php")){
          $absolute_path = dirname( $my_path."/../../configuration.php" );
          require_once($my_path."/../../configuration.php");
      }
      elseif( file_exists($my_path."/configuration.php")){
          $absolute_path = dirname( $my_path."/configuration.php" );
          require_once( $my_path."/configuration.php" );
      }
      else {
          die( "Joomla Configuration File not found!" );
      }

	$absolute_path = realpath( $absolute_path );
	define( '_JEXEC', 1 );
	define( 'JPATH_BASE', $absolute_path );
	define( 'DS', DIRECTORY_SEPARATOR );
	define( 'JPATH_COMPONENT_ADMINISTRATOR', JPATH_BASE.DS.'administrator'.DS.'components'.DS.'com_redshop' );
	define( 'JPATH_COMPONENT', JPATH_BASE.DS.'components'.DS.'com_redshop' );


	// Load the framework

	require_once ( $absolute_path . DS . 'includes' . DS . 'defines.php' );
	require_once ( $absolute_path . DS . 'includes' . DS . 'framework.php' );

      // Set up the appropriate CMS framework

	// create the mainframe object
	$mainframe = & JFactory::getApplication( 'site' );

	// Initialize the framework
	$mainframe->initialise();

	// load system plugin group
	JPluginHelper::importPlugin( 'system' );

// create the mainframe object
	$mainframe = & JFactory::getApplication( 'site' );

	// trigger the onBeforeStart events
	$mainframe->triggerEvent( 'onBeforeStart' );
	$lang =& JFactory::getLanguage();
	$mosConfig_lang = $GLOBALS['mosConfig_lang']          = strtolower( $lang->getBackwardLang() );
	$session =& JFactory::getSession();




/*
* File: CaptchaSecurityImages.php
* Author: Simon Jarvis
* Copyright: 2006 Simon Jarvis
* Date: 03/08/06
* Updated: 07/02/07
* Requirements: PHP 4/5 with GD and FreeType libraries
* Link: http://www.white-hat-web-design.co.uk/articles/php-captcha.php
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details:
* http://www.gnu.org/licenses/gpl.html
*
*/

class CaptchaSecurityImages {

	var $font = 'monofont.ttf';

	function generateCode($characters) {
		/* list all possible characters, similar looking characters and vowels have been removed */
		$possible = '23456789bcdfghjkmnpqrstvwxyz';
		$code = '';
		$i = 0;
		while ($i < $characters) {
			$code .= substr($possible, mt_rand(0, strlen($possible)-1), 1);
			$i++;
		}
		return $code;
	}

	function CaptchaSecurityImages($width='120',$height='40',$characters='6',$captchaname='security_code') {
		$session =& JFactory::getSession();

		$code = $this->generateCode($characters);
		/* font size will be 75% of the image height */
		$font_size = $height * 0.75;
		$image = @imagecreate($width, $height) or die('Cannot initialize new GD image stream');
		/* set the colours */
		$background_color = imagecolorallocate($image, 255, 255, 255);
		$text_color = imagecolorallocate($image, 20, 40, 100);
		$noise_color = imagecolorallocate($image, 100, 120, 180);
		/* generate random dots in background */
		for( $i=0; $i<($width*$height)/3; $i++ ) {
			imagefilledellipse($image, mt_rand(0,$width), mt_rand(0,$height), 1, 1, $noise_color);
		}
		/* generate random lines in background */
		for( $i=0; $i<($width*$height)/150; $i++ ) {
			imageline($image, mt_rand(0,$width), mt_rand(0,$height), mt_rand(0,$width), mt_rand(0,$height), $noise_color);
		}
		/* create textbox and add text */
		$textbox = imagettfbbox($font_size, 0, $this->font, $code) or die('Error in imagettfbbox function');
		$x = ($width - $textbox[4])/2;
		$y = ($height - $textbox[5])/2;
		imagettftext($image, $font_size, 0, $x, $y, $text_color, $this->font , $code) or die('Error in imagettftext function');
		/* output captcha image to browser */
		header('Content-Type: image/jpeg');
		imagejpeg($image);
		imagedestroy($image);

		$_SESSION['pri_security_code']='';
		$_SESSION['security_code']='';
		if($captchaname=='pri_security_code'){
			$_SESSION['pri_security_code'] = $code;
			//echo $_SESSION['pri_security_code'] = $code; exit;
		}else{
			//echo $_SESSION['security_code'] = $code; exit;
			$_SESSION['security_code'] = $code;
		}
		//$session->clear($captchaname);
		//$session->clear('pri_security_code');
		//$session->set( $captchaname, $code );
		//$_SESSION['security_code'] = $code;
	}

}

$width = isset($_GET['width']) ? $_GET['width'] : '120';
$height = isset($_GET['height']) ? $_GET['height'] : '40';
$characters = isset($_GET['characters']) && $_GET['characters'] > 1 ? $_GET['characters'] : '6';
$captchaname = isset($_GET['captcha']) ? $_GET['captcha'] : 'security_code';

$captcha = new CaptchaSecurityImages($width,$height,$characters,$captchaname);

?>